Gravure printing method

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 1/10 (2006.01) B41F 9/00 (2006.01) D21H 19/10 (2006.01) G03G 5/02 (2006.01)

Patent

CA 2340101

An electrostatic gravure printing method wherein use is made of paper with a water content of 4-6% and a surface resistivity of 1.0 x 10 9-9.0 x 10 9 .OMEGA./.dottedcircle. under the environment of 23 ~ 1°C AND 50~2% RH. This method can thus limit the occurrence of missing dots in printed matters and eliminate the difficulty of page turning in the bound printed matter and electrostatic troubles such as unpleasant noise caused by electric discharge as pages are turned and separated.

La présente invention concerne un procédé électrostatique de photogravure utilisant un papier dont la teneur en eau est de 4-6 % pour une résistivité superficielle de 1,0x10<9>-9,0x10<9> OMEGA /c dans des conditions de température et d'hygrométrie de 23+/-1 DEG C et de 50+/-2 % d'humidité relative. Ce procédé permet ainsi de limiter la survenue de points manquants dans les imprimés et éliminer la difficulté du tourner de page dans le cas des imprimés reliés et les problèmes d'électricité statique et notamment le bruit désagréable provoqué par la décharge électrique quand on tourne les pages ou qu'on les sépare.

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